However, the main point was that I don't want to deal with them, and under normal circumstances I could just ignore the relatively minimal interactions I have with them.
But because I am effectively fighting back against /their/ externalities affecting me I have to seek them out. To learn about their hobbies, to find out about what it is they are doing.
Then it's a case of discussing wether the power consumption is worth it.
So far in this thread all that anyone's come up with is "because I might want to send money to someone that my government has banned money transfers to".
I have previously asked elsewhere and got a load of answers which fall into the "technically can be made on the blockchain, but can be done far more efficiently and effectively using exisint tech", eg. carbon credit trading, and (rather surprisingly) "publishing a website".
The jackass was boasting that he’d bought a graphics card from a scalper and was so happy he could mine Etherium. I told him I didn’t want to hear about it.